2138925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 3779520

約数和(自身を除く): 1640595

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 79, 95, 237, 285, 361, 395, 475, 1083, 1185, 1425, 1501, 1805, 1975, 4503, 5415, 5925, 7505, 9025, 22515, 27075, 28519, 37525, 85557, 112575, 142595, 427785, 712975, 2138925]

約数ペア:

[(1, 2138925), (3, 712975), (5, 427785), (15, 142595), (19, 112575), (25, 85557), (57, 37525), (75, 28519), (79, 27075), (95, 22515), (237, 9025), (285, 7505), (361, 5925), (395, 5415), (475, 4503), (1083, 1975), (1185, 1805), (1425, 1501)]